145202915 has 32 divisors (see below), whose sum is σ = 211341312. Its totient is φ = 94320000.

The previous prime is 145202867. The next prime is 145202917. The reversal of 145202915 is 519202541.

It is not a de Polignac number, because 145202915 - 2⁶ = 145202851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145202917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18890 + ... + 25440.

It is an arithmetic number, because the mean of its divisors is an integer number (6604416).

Almost surely, 2^145202915 is an apocalyptic number.

145202915 is a deficient number, since it is larger than the sum of its proper divisors (66138397).

145202915 is a wasteful number, since it uses less digits than its factorization.

145202915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 145202915 is about 12050.0172199047. The cubic root of 145202915 is about 525.6037378001.

The spelling of 145202915 in words is "one hundred forty-five million, two hundred two thousand, nine hundred fifteen".